William Optics Gran-Turismo 81 IV
Summary of Community Reviews
Manufacturer Specs & Description
Discover precision astrophotography with the compact and powerful Gran Turismo 81 IV f/5.9 APO Triplet Refractor. Equipped with a high-quality FPL-53 triplet lens for exceptional clarity and colour correction, this telescope is perfect for capturing detailed celestial images. Its robust 2.5” R&P focuser ensures precise adjustments without image shift, while the elegant design features a... Read more
General Information
| Manufacturer | William Optics |
| Model Name/Number | Gran-Turismo 81 IV |
| Equipment Type | Telescope |
| Optics Type | Refractor |
Physical Specifications
| Weight (kg) | 3.9 |
| Tube Length | 460 |
Optical Specifications
| Optical Design | Triplet Apochromatic Prime Lens |
| Optics Type | Refractor |
| Aperture (mm) | 81 |
| Focal Length (mm) | 478 |
| Focal Ratio | 5.9 |
| Maximum Practical Magnification (X) | 160 |
Additional Features
| Included Items | Innovative Bahtinov Mask Cover (Patented) | 2.5” R&P Focuser | Long Vixen Style Dovetail Plate |
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